gentoo-overlay/media-tv/tvheadend/files/tvheadend-4.2.1-hdhomerun.patch

diff -up ./configure.orig ./configure
--- ./configure.orig	2017-04-21 10:32:22.000000000 +0200
+++ ./configure	2017-04-23 13:31:08.717237211 +0200
@@ -357,7 +357,7 @@ if enabled hdhomerun_static; then
 else
 
   if enabled_or_auto hdhomerun_client; then
-    if check_cc_header 'libhdhomerun/hdhomerun' libhdhomerun; then
+    if check_cc_header 'hdhomerun/hdhomerun' libhdhomerun; then
       enable  hdhomerun_client
       LDFLAGS="$LDFLAGS -lhdhomerun"
     fi
diff -up ./src/input/mpegts/tvhdhomerun/tvhdhomerun_private.h.orig ./src/input/mpegts/tvhdhomerun/tvhdhomerun_private.h
--- ./src/input/mpegts/tvhdhomerun/tvhdhomerun_private.h.orig	2017-04-21 10:32:22.000000000 +0200
+++ ./src/input/mpegts/tvhdhomerun/tvhdhomerun_private.h	2017-04-23 13:31:08.717237211 +0200
@@ -24,7 +24,7 @@
 #include "htsbuf.h"
 #include "tvhdhomerun.h"
 
-#include "libhdhomerun/hdhomerun.h"
+#include <hdhomerun/hdhomerun.h>
 
 typedef struct tvhdhomerun_device_info tvhdhomerun_device_info_t;
 typedef struct tvhdhomerun_device      tvhdhomerun_device_t;